Home / 22,713.30-34,005.15-20,121.30

Finding the Fourth Proportional to 22,713.30, 34,005.15 and 20,121.30

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Solution

The fourth proportional to 22,713.30, 34,005.15 and 20,121.30 is: 30,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.30 : 34,005.15 = 20,121.30 : x
  2. Step 2: Convert to fraction form
    22,713.30/34,005.15 = 20,121.30/x
  3. Step 3: Cross multiply
    22,713.30x = 34,005.15 × 20,121.30
  4. Step 4: Simplify right side
    22,713.30x = 684,227,824.70
  5. Step 5: Solve for x
    x = 684,227,824.70/22,713.30
  6. Step 6: Final answer
    x = 30,124.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.